64494086 has 8 divisors (see below), whose sum is σ = 100077120. Its totient is φ = 31135048.

The previous prime is 64494077. The next prime is 64494097. The reversal of 64494086 is 68049446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555926 + ... + 556041.

It is an arithmetic number, because the mean of its divisors is an integer number (12509640).

Almost surely, 2^64494086 is an apocalyptic number.

64494086 is a deficient number, since it is larger than the sum of its proper divisors (35583034).

64494086 is a wasteful number, since it uses less digits than its factorization.

64494086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111998.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 64494086 is about 8030.8210041066. The cubic root of 64494086 is about 401.0267082540.

The spelling of 64494086 in words is "sixty-four million, four hundred ninety-four thousand, eighty-six".